Examine source code of SmartCustomer: Ratings & Reviews on Every Site

{
  "description": "Get reviews and ratings on every website you visit: Find great businesses and surf safely with the SmartCustomer Firefox Extension.",
  "manifest_version": 3,
  "name": "SmartCustomer: Business Ratings & Reviews",
  "author": "Michael Lai",
  "version": "1.6.3",
  "homepage_url": "https://www.smartcustomer.com/extension-download",
  "icons": {
    "128": "icons/logo-icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{09D2D1C1-C4A3-4912-A96A-1ADDCCDA431F}",
      "strict_min_version": "58.0"
    }
  },
  "permissions": [
    "tabs",
    "storage",
    "activeTab"
  ],
  "host_permissions": [
    "*://*.sitejabber.com/",
    "*://*.smartcustomer.com/"
  ],
  "background": {
    "scripts": [
      "scripts/background.js"
    ]
  },
  "action": {
    "default_icon": "icons/logo-icon.png",
    "default_title": "Sitejabber",
    "default_popup": "popup/popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "scripts/content.js"
      ],
      "css": [
        "popup/content.css"
      ],
      "run_at": "document_start",
      "all_frames": false
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "popup/chrome_icons_sp.png"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}